113 lines
3.5 KiB
Ruby
113 lines
3.5 KiB
Ruby
# frozen_string_literal: true
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#
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# Copyright (C) 2017 - present Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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class LatePolicyApplicator
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def self.for_course(course)
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return unless course.published?
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return unless course.assignments.published.exists?
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new(course).delay_if_production(singleton: "late_policy_applicator:calculator:Course:#{course.global_id}").
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process
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end
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def self.for_assignment(assignment)
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return unless assignment.published? && assignment.points_possible&.positive?
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return unless assignment.course
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new(assignment.course, [assignment]).delay_if_production(singleton: "late_policy_applicator:calculator:Assignment:#{assignment.global_id}").
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process
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end
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def initialize(course, assignments = [])
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@course = course
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@assignments = if assignments.present?
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assignments.select(&:published?)
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else
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@course.assignments.published
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end
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@relevant_submissions = {}
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end
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def process
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return unless needs_processing?
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late_policy = @course.late_policy
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user_ids = []
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@assignments.each do |assignment|
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relevant_submissions(assignment).find_each do |submission|
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submission.assignment = assignment
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user_ids << submission.user_id if process_submission(late_policy, assignment, submission)
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end
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end
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@course.recompute_student_scores(user_ids.uniq) if user_ids.present?
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end
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private
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def process_submission(late_policy, assignment, submission)
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submission.apply_late_policy(late_policy, assignment)
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if submission.changed?
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submission.skip_grade_calc = true
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return submission.save!
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end
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false
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end
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def relevant_submissions(assignment)
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@relevant_submissions[assignment.id] ||= begin
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if @course.late_policy.late_submission_deduction_enabled
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query = late_submissions_for(assignment).union(no_longer_late_submissions_for(assignment))
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if @course.late_policy.missing_submission_deduction_enabled
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query = query.union(missing_submissions_for(assignment))
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end
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else
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query = missing_submissions_for(assignment)
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end
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query.eager_load(:grading_period).merge(GradingPeriod.open).preload(:stream_item, :user)
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end
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end
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def submissions(assignment)
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enrollments = assignment.course.admin_visible_student_enrollments
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assignment.submissions.for_enrollments(enrollments)
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end
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def late_submissions_for(assignment)
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submissions(assignment).late.where.not(score: nil)
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end
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def no_longer_late_submissions_for(assignment)
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submissions(assignment).not_late.where("submissions.points_deducted > 0")
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end
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def missing_submissions_for(assignment)
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submissions(assignment).missing.where(score: nil, grade: nil)
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end
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def needs_processing?
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(@course.late_policy&.missing_submission_deduction_enabled ||
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@course.late_policy&.late_submission_deduction_enabled) && @assignments.present?
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end
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end
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